Question

3125 x 80a^6 ÷(320a)^2​

Answer 1

Answer:

(25a/16)²

Step-by-step explanation:

3125* 81$a^{6}$ / (320a)²

= 3125 * 80$a^{6}$ / 320*320*$a^{4}$

= 3125/1280 a²

= 625/256 a²

= (25a/16)²

Answer 2

Step-by-step explanation:

a⁴ = (320×320)/(3125×80) = 1250/128 = 625/64

=> a =± 5/4